{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950868,-0.309595,0.000000,0.000000,0.172857,-0.530902,0.829617,0.000000,-0.256306,0.787199,0.560915,0.000000,-1636475.982914,5026155.955686,3557393.093055,1],    "boundingVolume": {    "region": [1.885491,0.595381,1.885636,0.595601,0.000000,8.741199]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1340901.b3dm"}}}